National Burger Day 2026: Five British restaurants where chefs take it seriously27th August is National Burger Day, and though it’s hardly a widely celebrated holiday, it does offer a very good excuse to honour the dish and its place in British food culture. In London:The Latimer in Notting HillRun by the Spiteri family, this neighbourhood pub in West London puts a Chilli Cheese Burger at the centre of its menu. To book a table at FOWL, 3 Norris Street, London SW1Y 4RJ, visit the restaurant’s website here. To book a table at Daffodil Mulligan, 70-74 City Road, London EC1Y 2BJ, visit the restaurant’s website here. The Mariners in Rock, CornwallPerched above the Camel Estuary, Paul Ainsworth’s Cornish pub takes a considered approach to the pub burger.